Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A None of these 0.6 A 0.4 A 0.3 A 0.2 A None of these 0.6 A 0.4 A 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 2 mA None of these 0.083333333333333 200 A 0.5 mA 2 mA None of these 0.083333333333333 200 A 0.5 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: decreasing the area of the plates None of these increasing the voltage applied to the plates increasing the frequency of the applied voltage increasing the area of the plates decreasing the area of the plates None of these increasing the voltage applied to the plates increasing the frequency of the applied voltage increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? None of these 0 degree 90 degree 26.6 degree 180 degree None of these 0 degree 90 degree 26.6 degree 180 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current None of these equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current None of these equal to the sum of the individual capacitance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as cutoff point lower end of the load line upper end of the load line infinity None of these cutoff point lower end of the load line upper end of the load line infinity None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS